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Question

Proteins when heated with conc.HNO3 give a yellow colour. This is called

A
oxidising test
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B
xanthoprotic test
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C
Hooper's test
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D
acid base test
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Solution

The correct option is B xanthoprotic test
In xanthoprotic test proteins give yellow ppt. when they are heated with conc. HNO3 in a test tube

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